protruder

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English

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Etymology

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From protrude +‎ -er.

Noun

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protruder (plural protruders)

  1. That which protrudes.
    • 1895, Edmond Souchon, Resume of Lectures on Anatomy, page 10:
      The Muscles of the Tongue are: the Genio-hyoglossus, which is the protruder; — the Hyoglossus, which is the depressor or retractor, or muscle which draws the tongue in; []